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Mathematics 7 Online
OpenStudy (anonymous):

When using the binomial formula, which of the following is a correct step in the expansion of (x+y)^4?

Nnesha (nnesha):

allowed to use pascal's triangle ?

OpenStudy (anonymous):

yes

Nnesha (nnesha):

alright great so because exponent is 4 we need to look at 4th row |dw:1439831930473:dw| exponent of first star from 4 to 0 and 2nd one start from 0 to 4

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